Bids Are Invited For Acquisition Of Tanks For Storage Of Chemical Products: Sodium Hydroxide, Sodium Hypochlorite And Fluosilicic Acid To Meet The Needs Of Samae In The Municipality Of Araranguá/Sc, According To Quantities And Specifications Described In The Terms Of Reference (Annex I).
Bids Are Invited For Acquisition Of Tanks For Storage Of Chemical Products: Sodium Hydroxide, Sodium Hypochlorite And Fluosilicic Acid To Meet The Needs Of Samae In The Municipality Of Araranguá/Sc, According To Quantities And Specifications Described In The Terms Of Reference (Annex I).
Vertical Cylindrical Tank Flat Bottom, Conical Top With Nominal Capacity Of 10,000 Liters, In Natural Color (White), Manufactured Using The Process Of Rotational Molding Or Thermomolding (Seamless Or Welding) In Hdpe With Uv Protection, With Graduated Scale In High Relief (Unpainted), Inspection Entry At The Top, With A Minimum 480 Mm Opening And Breather, Equipped With Ball Valve In Ppfv, 2 In Diameter, With Epdm Seal Rings, Minimum Measurements: 2,550Mm In Diameter And 2,393Mm In Height, With Maximum Admissible Density Of 1.6 G/Cm³ Or Higher, With Level Ruler And Flanges, For Storage Of 50% Sodium Hydroxide. Product Identification: Description: Chemical Name: Sodium Hydroxide 50%; Commercial Name: Caustic Soda 50%; Chemical Formula: Naoh; Active Content: 49-51%; Un Number: 1824; Risk Class: 8; Risk Number: 80; Technical Specifications: Physical State: Viscous Liquid Color: Transparent To Cloudy Whitish Odor: Odorless Ph: 13.00-14.00 Density: 1.50-1.54 Molecular Weight: 40 Boiling Point: 145ºc Water Solubility: Completely Miscible In Water;Fluosilicic Acid; Common Name: Fluosilicic Acid; Description/Main Use: Fluoridation; Formula And/Or Cas Number: H2sif6 / (16961-83-4); Mass; Approximate Molecular: 144.11 G/Mol; Specific Analysis: Metals, Radionuclides; Solubility In Water: 100% Soluble In Water; Classification: Un No.: 1760 Risk No.: 80 Cas No.: 1327-41-9Ncm: 2827.32.00; Description: Strong Inorganic Acid, Obtained As A Byproduct Of The Reaction Between Hydrofluoric Acid And Silica Compounds. It Is Presented In An Aqueous Solution, Containing Fluoride In A Form Available For Application In Fluoridation Processes. Concentration: 20-25%., Conical Top With Nominal Capacity Of 15,000 Liters, Minimum Measurements: 2,550Mm In Diameter And 3,393Mm In Height, For Storage Of Sodium Hypochlorite; 10 To 12% Active Chlorine; Density 1.16 To 1.20; Molecular Weight 74.45; Ph 10.00 À 13.00; Caustic Soda Minimum 117G/L.
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